Home / 489,933.63-733,617.41-320,922.27

Finding the Fourth Proportional to 489,933.63, 733,617.41 and 320,922.27

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Solution

The fourth proportional to 489,933.63, 733,617.41 and 320,922.27 is: 480,542.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,933.63 : 733,617.41 = 320,922.27 : x
  2. Step 2: Convert to fraction form
    489,933.63/733,617.41 = 320,922.27/x
  3. Step 3: Cross multiply
    489,933.63x = 733,617.41 × 320,922.27
  4. Step 4: Simplify right side
    489,933.63x = 235,434,162,924.11
  5. Step 5: Solve for x
    x = 235,434,162,924.11/489,933.63
  6. Step 6: Final answer
    x = 480,542.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.